what is the S.I unit of gravitational constant
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In SI units, G has the value 6.67 × 10-11 Newtons m²/kg-²
Therefore,the SI unit of gravitational constant is Newton N m²/kg-²
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COSMOS - The SAO Encyclopedia of Astronomy › G
Gravitational Constant
“Big” G is Newton’s gravitational constant and gives the constant of proportionality in Newton’s Universal law of gravitation which is the basis of our understanding of non-relativistic gravity. The gravitational force F between two bodies of mass m1 and m2 at a distance R is:
$ F = {{G m_1 m_2}\over{R^2}} $
In SI units, G has the value 6.67 × 10-11 Newtons kg-2 m2.
The direction of the force is in a straight line between the two bodies and is attractive.
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